2
Introducing the Motherboard
Feature
The motherboard uses an LGA775 type of Intel
®
Core
TM
2 Duo/Pentium
®
Dual-
Core/Celeron
®
4xx Series that carries the following features:
Processor
The G31 Northbridge (NB) and ICH7 Southbridge (SB) chipsets are based on an
innovative and scalable architecture with proven reliability and performance.
Chipset
ICH7 (SB)
G31 (NB)
• Supports 36-bit host bus addressing, allowing the CPU
to access the entire 64 GB of the memory address
space
• 2 GB/s point-to-point Direct Media Interface (DMI) to
ICH7 (1 GB/s each direction)
• Supports 512 Mb and 1 Gb DDR2 DRAM technologies
for x8 and x16 devices
• One, 16-lane PCI Express port intended for Graphics
Attach, compatible to the PCI Express* Base Specifi-
cation revision 1.1
• Enhanced DMA Controller, interrupt controller, and timer
functions
• Compliant with PCI Express* Base Specification, Revi-
sion 1.1
• Compliant with PCI 2.3 specification
• Integrated SATA 3.0 Gb/s Host Controller
• Integrated USB 2.0 Host Controller
• Integrated IDE controller supports Ultra ATA 100/66/33
• Accommodates Intel
®
Core
TM
2 Duo/Pentium
®
Dual-Core/Celeron
®
4xx
Series
processors
• Supports a system bus (FSB) of 1333/1066/800 MHz
Memory
• Supports DDR2 800/667 DDR2 SDRAM with Dual-channel architecture
Accommodates two unbuffered DIMMs
• 2 x 240-pin DDR2 DIMM sockets support up to 4 GB